diff options
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c')
-rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c new file mode 100644 index 000000000000..071e69d7da15 --- /dev/null +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Marvell OcteonTx2 RVU Admin Function driver + * + * Copyright (C) 2019 Marvell International Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/pci.h> +#include "rvu.h" + +/* SDP PF device id */ +#define PCI_DEVID_OTX2_SDP_PF 0xA0F6 + +/* SDP PF number */ +static int sdp_pf_num = -1; + +bool is_sdp_pf(u16 pcifunc) +{ + if (rvu_get_pf(pcifunc) != sdp_pf_num) + return false; + if (pcifunc & RVU_PFVF_FUNC_MASK) + return false; + + return true; +} + +int rvu_sdp_init(struct rvu *rvu) +{ + struct pci_dev *pdev; + int i; + + for (i = 0; i < rvu->hw->total_pfs; i++) { + pdev = pci_get_domain_bus_and_slot( + pci_domain_nr(rvu->pdev->bus), i + 1, 0); + if (!pdev) + continue; + + if (pdev->device == PCI_DEVID_OTX2_SDP_PF) { + sdp_pf_num = i; + put_device(&pdev->dev); + break; + } + + put_device(&pdev->dev); + } + + return 0; +} |